package com.gusto.engine.clusterant.access;

/**
 * <p>Data Access Object for similarities between objects.</p>
 * 
 * @author amokrane.belloui@gmail.com
 *
 */
public interface DistanceDAO {
	
	/**
	 * Get the distance/similarity between 2 objects
	 * @param a
	 * @param b
	 * @return
	 */
	public Double getDistance(Object a, Object b);
	 
}
